Guides

Home energy guides that explain the method

Plain-English explanations of electricity units, appliance ratings, cooling estimates, standby loads, LED comparisons, and solar assumptions.

Understand the difference between power and energy, calculate kWh from runtime, and turn energy use into an estimated cost.

Find the correct electrical input rating, distinguish watts from cooling output, and estimate usage without mixing incompatible units.

Learn how compressor cycling, inverter operation, outdoor heat, insulation, and runtime affect energy estimates.

Compare wattage, brightness, runtime, and initial cost to estimate the energy effect of changing household lighting.

Identify relevant idle loads, measure them cautiously, and avoid assuming every plugged-in device wastes a large amount of energy.

Understand why self-used solar electricity and exported electricity can have different values in a simple payback estimate.

Build a small, evidence-based plan to reduce energy use without assuming every appliance or purchase will pay off.